providing horizontal spindle horizontal split casing / end suctions ( back full out arrangement ) single / double / multistage centrifugal pump or combination of pump in series of recommended make such as mather and platt / ksb / kirloskar as per bis:1520-1980 with up to date amendments, read with bis: 9137-1978 or latest edition suitable for lifting clear water for under mentioned characteristics with bronze impellers / priming funnels, casing ring and shaft sleeves of bronze, shaft of steel grade en-8 with cast iron casing coupled directly through a flexible coupling on a ms / cast steel base plate ( base plate to be from the manufacturers of the pumping unit only ) to squirrel cage screen protected drip proof induction motor of standard make such as kirloskar / crompton / ngef and suitable for operation on 400 ( + ) / - ) 10% volts, 50 cycles / second, 3 phase ac electric supply. the power of electric motor should be at least 10% in excess of the maximum power required by the pump in the operation range of (